Home / 261,673,223.58-361,111,436.74-144,202,768.64

Finding the Fourth Proportional to 261,673,223.58, 361,111,436.74 and 144,202,768.64

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Solution

The fourth proportional to 261,673,223.58, 361,111,436.74 and 144,202,768.64 is: 199,001,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,673,223.58 : 361,111,436.74 = 144,202,768.64 : x
  2. Step 2: Convert to fraction form
    261,673,223.58/361,111,436.74 = 144,202,768.64/x
  3. Step 3: Cross multiply
    261,673,223.58x = 361,111,436.74 × 144,202,768.64
  4. Step 4: Simplify right side
    261,673,223.58x = 52,073,268,965,476,216
  5. Step 5: Solve for x
    x = 52,073,268,965,476,216/261,673,223.58
  6. Step 6: Final answer
    x = 199,001,136.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.